| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chen, Hao
Politecnico di Milano
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Study of process parameters and characteristics properties of W coatings deposited by rf plasma sputteringcitations
- 2021Insight into the Solid Electrolyte Interphase Formation in Bis(fluorosulfonyl)Imide Based Ionic Liquid Electrolytescitations
- 2021Powder Bed Fusion of nickel-based superalloys: A reviewcitations
- 2021Near-IR transparent conductive amorphous tungsten oxide thin layers by non-reactive radio-frequency magnetron sputteringcitations
- 2020‘Unit cell’ type scan strategies for powder bed fusioncitations
- 2020Unveiling the Working Mechanism of Graphene Bubble Film/Silicon Composite Anodes in Li-Ion Batteries: From Experiment to Modelingcitations
- 2018Utilizing room temperature liquid metals for mechanically robust silicon anodes in lithium-ion batteriescitations
- 2013The effect of prior ferrite formation on bainite and martensite transformation kinetics in advanced high-strength steelscitations
- 2013Application of interrupted cooling experiments to study the mechanism of bainitic ferrite formation in steelscitations
- 2012Analysis of the stagnant stage in diffusional phase transformations starting from austenite-ferrite mixturescitations
Places of action
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article
Utilizing room temperature liquid metals for mechanically robust silicon anodes in lithium-ion batteries
Abstract
Silicon has attracted attention as one of the most promising anode materials for future generation energy storage devices, owing to its high theoretical specific capacity. However, its use has been impeded by significant volume expansion during electrochemical lithiation. In this work we utilise liquid galinstan (68.5% Ga, 21.5% In and 10% Sn) to repair the cracking caused by volume expansion in Si thin film and Si composite electrodes. A bridging mechanism is observed, through which the electrical conductivity can be significantly improved. The composite electrode delivers an initial capacity of 2697 mAhg-1 and reaches a coulombic efficiency ~100% after 140 cycles. In addition, nanoindentation tests show that a better mechanical behavior is achieved with increased flexibility. We believe that these results may provide a way to prepare mechanically robust high capacity electrodes.